PQA400 - PQA823 - PQA824
EN - 105
This screen (Fig. 172) displays, with graphic and numeric indications, the phase delays,
expressed in degrees [°], between current I1 and I2, I2 and I3, I3 and I1 and the vector
representing the neutral current (blue – not for PQA400).
Fig. 172: Current vector diagram in three-phase 4-wire system, three-phase 3-wire system
or Aron system
The following keys are active on this page:
The
F1 key (or the PAG item on the display) advances to the following page of
saved values relative to the phase 1 vector diagram.
The
ESC key (or the smart icon on the display) to exit the function and go back
to the “Recording analysis” page (Fig. 143).
This screen (Fig. 173) displays, with graphic and numeric indications, the phase delays,
expressed in degrees [°], between voltage V1 and current I1, so that the inductive or
capacitive nature of the electrical installation may be found out. In detail:
Positive angle: Inductive load.
Negative angle: Capacitive load.
Fig. 173: Phase 1 vector diagram in three-phase 4-wire system
The following keys are active on this page:
The
F1 key (or the PAG item on the display) advances to the following page of
saved values relative to the phase 2 vector diagram.
The
ESC key (or the smart icon on the display) to exit the function and go back
to the “Recording analysis” page (Fig. 143).
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